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Add cast microoptimization to AsmBuilder

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Iaroslav Postovalov 2020-12-09 11:41:37 +07:00
parent cc45e3683b
commit 95c1504c00
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GPG Key ID: 46E15E4A31B3BCD7
1 changed files with 11 additions and 24 deletions
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35
kmath-ast/src/jvmMain/kotlin/kscience/kmath/asm/internal/AsmBuilder.kt
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@ -3,7 +3,6 @@ package kscience.kmath.asm.internal
import kscience.kmath.asm.internal.AsmBuilder.ClassLoader
import kscience.kmath.ast.MST
import kscience.kmath.expressions.Expression
import kscience.kmath.operations.Algebra
import org.objectweb.asm.*
import org.objectweb.asm.Opcodes.*
import org.objectweb.asm.Type.*
@ -74,7 +73,7 @@ internal class AsmBuilder<T>(
classType.internalName,
"${OBJECT_TYPE.descriptor}L${EXPRESSION_TYPE.internalName}<${tType.descriptor}>;",
OBJECT_TYPE.internalName,
arrayOf(EXPRESSION_TYPE.internalName)
arrayOf(EXPRESSION_TYPE.internalName),
)
visitMethod(
@ -82,7 +81,7 @@ internal class AsmBuilder<T>(
"invoke",
getMethodDescriptor(tType, MAP_TYPE),
"(L${MAP_TYPE.internalName}<${STRING_TYPE.descriptor}+${tType.descriptor}>;)${tType.descriptor}",
null
null,
).instructionAdapter {
invokeMethodVisitor = this
visitCode()
@ -97,7 +96,7 @@ internal class AsmBuilder<T>(
null,
l0,
l1,
0
0,
)
visitLocalVariable(
@ -106,7 +105,7 @@ internal class AsmBuilder<T>(
"L${MAP_TYPE.internalName}<${STRING_TYPE.descriptor}+${tType.descriptor}>;",
l0,
l1,
1
1,
)
visitMaxs(0, 2)
@ -118,14 +117,12 @@ internal class AsmBuilder<T>(
"invoke",
getMethodDescriptor(OBJECT_TYPE, MAP_TYPE),
null,
null
null,
).instructionAdapter {
val thisVar = 0
val argumentsVar = 1
visitCode()
val l0 = label()
load(thisVar, OBJECT_TYPE)
load(argumentsVar, MAP_TYPE)
load(0, OBJECT_TYPE)
load(1, MAP_TYPE)
invokevirtual(classType.internalName, "invoke", getMethodDescriptor(tType, MAP_TYPE), false)
areturn(tType)
val l1 = label()
@ -136,7 +133,7 @@ internal class AsmBuilder<T>(
null,
l0,
l1,
thisVar
0,
)
visitMaxs(0, 2)
@ -152,7 +149,7 @@ internal class AsmBuilder<T>(
descriptor = OBJECT_ARRAY_TYPE.descriptor,
signature = null,
value = null,
block = FieldVisitor::visitEnd
block = FieldVisitor::visitEnd,
)
visitMethod(
@ -208,7 +205,7 @@ internal class AsmBuilder<T>(
getfield(classType.internalName, "constants", OBJECT_ARRAY_TYPE.descriptor)
iconst(idx)
visitInsn(AALOAD)
checkcast(type)
if (type != OBJECT_TYPE) checkcast(type)
}
/**
@ -266,7 +263,7 @@ internal class AsmBuilder<T>(
MAP_INTRINSICS_TYPE.internalName,
"getOrFail",
getMethodDescriptor(OBJECT_TYPE, MAP_TYPE, STRING_TYPE),
false
false,
)
checkcast(tType)
@ -321,11 +318,6 @@ internal class AsmBuilder<T>(
*/
val EXPRESSION_TYPE: Type by lazy { getObjectType("kscience/kmath/expressions/Expression") }
/**
* ASM type for [java.lang.Number].
*/
val NUMBER_TYPE: Type by lazy { getObjectType("java/lang/Number") }
/**
* ASM type for [java.util.Map].
*/
@ -341,11 +333,6 @@ internal class AsmBuilder<T>(
*/
val OBJECT_ARRAY_TYPE: Type by lazy { getType("[Ljava/lang/Object;") }
/**
* ASM type for [Algebra].
*/
val ALGEBRA_TYPE: Type by lazy { getObjectType("kscience/kmath/operations/Algebra") }
/**
* ASM type for [java.lang.String].
*/